Critical Security Update for Grafana: Addressing Multiple Vulnerabilities
Summary
ALSA-2026:2914: Important: grafana security update. Affects grafana versions < 10.2.6-22.el10_1. Fixed in 10.2.6-22.el10_1. How to fix ↓
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Background
Grafana is an open-source analytics and monitoring platform that allows users to visualize and analyze data from various sources such as Graphite, InfluxDB, and OpenTSDB. It is widely used for creating dashboards and graphs to monitor system performance and application metrics. However, recent vulnerabilities have been identified that could potentially compromise the security and integrity of Grafana installations.
Vulnerability Detail
The vulnerabilities identified in Grafana include a Denial of Service (DoS) due to excessive resource consumption via crafted certificates, a permissions scope bypass that enables cross-dashboard privilege escalation, excessive CPU consumption when building archive indexes, memory exhaustion in query parameter parsing, and unexpected session resumption in TLS. These vulnerabilities can lead to service disruptions, unauthorized access, and potential data leaks, posing significant risks to users and organizations relying on Grafana for critical monitoring tasks.
How To Fix
Minimum fixed version
10.2.6-22.el10_1
This is the first release that contains the fix.
sudo dnf update grafanaTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can limit access to Grafana dashboards and restrict permissions until the update is applied. Additionally, monitoring resource usage and implementing rate limiting on requests may help mitigate the impact of the vulnerabilities until a patch is installed.
Conclusion
The recent vulnerabilities in Grafana pose significant risks that require immediate attention. Users are urged to update their installations to the latest patched version to ensure the security and stability of their monitoring solutions. By staying informed and proactive, organizations can better protect their data and systems.
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FAQ
The vulnerabilities range from Denial of Service attacks to privilege escalation and resource exhaustion, which can severely affect the performance and security of Grafana.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by these vulnerabilities without needing to sign up.
If an immediate update is not possible, consider implementing access controls and monitoring resource usage to mitigate potential risks.
While specific exploits may not be publicly disclosed, the nature of the vulnerabilities suggests that they could be exploited to disrupt services or escalate privileges.
For detailed information, refer to the CVE pages associated with the vulnerabilities listed in the advisory, or check the Grafana documentation for security updates.
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